CVE-2021-30952
medium
KEV
CVSS v3
—
CVSS v4 NEW
—
VIR risk
7.0
Description
Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution.
CISA KEV
- Vendor
- Apple
- Product
- Multiple Products
- Due date
- 2026-03-26
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Source: Apple Security HT · View original ↗ · proprietary-no-redistribution
Full prose not cached — VIR stores only structured fields (affected/fixed versions, references) for this source. Click "View original" above for the vendor's full advisory.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.34.4-1 |
| sid | Fixed | 2.34.4-1 |
| forky | Fixed | 2.34.4-1 |
| bullseye | Fixed | 2.34.4-1~deb11u1 |
| bookworm | Fixed | 2.34.4-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://www.suse.com/security/cve/CVE-2021-30952.html
- https://errata.rockylinux.org/RLSA-2022:1777
- https://security-tracker.debian.org/tracker/CVE-2021-30952
- https://support.apple.com/en-us/HT212975 ; https://support.apple.com/en-us/HT212976 ; https://support.apple.com/en-us/HT212978 ; https://support.apple.com/en-us/HT212980 ; https://support.apple.com/en-us/HT212982 ; https://nvd.nist.gov/vuln/detail/CVE-2021-30952
- https://errata.almalinux.org/8/ALSA-2022-1777.html
- https://access.redhat.com/errata/RHSA-2022:1777
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.